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Article
Chemistry, Multidisciplinary
Linjuan Guo et al.
Summary: 2D hybrid perovskite ferroelectrics have shown promising results in self-powered UV photodetection, with high responsivity and fast response time. The ferro-pyro-phototronic effect in the 2D PMA(2)PbCl(4) MMB-based photodetectors leads to significantly improved performance compared to photovoltaic-based detectors. These findings provide insights into the development of high-performance UV detection devices.
Article
Chemistry, Multidisciplinary
Meng Wang et al.
Summary: This study reports a new method to obtain highly crystalline perovskite films by adding ethylamine iodide and proposes a novel working mechanism for alkyl amine additives in the perovskite crystallization process. The results indicate that the additive affects the solid-state transition process from the intermediate phase to the final phase.
ADVANCED MATERIALS
(2022)
Article
Optics
Peisong Wu et al.
Summary: With the increasing demand for multispectral information acquisition, there has been extensive attention on inexpensive and miniaturizable infrared multispectral imaging technology. However, the high cost of epitaxial semiconductors and complex cooling systems limit the widespread usage of these photodetectors. In this study, a noncooled two-color infrared photodetector is demonstrated, which achieves ultralow crosstalk and impressive performance for NIR/MWIR two-color infrared imaging and absolute temperature detection.
LIGHT-SCIENCE & APPLICATIONS
(2022)
Article
Optics
Mani Teja Vijjapu et al.
Summary: In this article, a flexible photoreceptor based on hybrid perovskite is proposed, which can mimic the light-sensitive cells of the retina, showing high stability and recognition accuracy. It has the potential to be applied in the field of neuromorphic vision.
LIGHT-SCIENCE & APPLICATIONS
(2022)
Article
Chemistry, Multidisciplinary
Shun-Xin Li et al.
Summary: Micro/nano optoelectronic devices based on curved substrates are important in various fields, but current fabrication processes pose challenges. This study proposes a novel method using temperature-gradient-assisted nanoimprint-based in situ micro/nano-crystal growth to fabricate high-quality curved perovskite microwire crystal arrays on curved surfaces. High-performance curved photodetectors with extraordinary stability are fabricated based on these arrays. These findings provide insights into the application of high-performance perovskite photodetectors in nonconformal optical systems.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Huang Ye et al.
Summary: This study reports the successful realization of self-powered visible-infrared polarization photodetection using a newly developed layered hybrid ferroelectric material. The material exhibits fascinating ferroelectric characteristics and a giant two-photon absorption coefficient, and shows high sensitivity to the polarization of illuminated light.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Muhammad Sulaman et al.
Summary: This study focuses on the fabrication of high-performance photodetectors by integrating PbSe CQDs with inorganic mixed-halide perovskite NCs. The combination of these materials improves the transportation of photogenerated carriers and results in excellent photoresponsivity and detectivity. Numerical simulations and discussions on the physical mechanisms of carrier transportation were conducted.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Tingting Yan et al.
Summary: This study presents an ultraflexible all-organic photodetector with high responsivity and stable performance, capable of outputting steady biosignals in specific applications. By introducing symmetrical organic electrodes, this photodetector exhibits dual-polarity photocurrent when flipped or folded.
ADVANCED MATERIALS
(2022)
Article
Optics
Nan Ding et al.
Summary: This paper introduces a broadband photodetector constructed using ultraviolet luminescent concentrators, iodine-based perovskite quantum dots, and organic bulk heterojunctions. Experimental and theoretical results show that doping CsPbI3 PQDs with Er3+ can significantly improve their optoelectronic properties and stability. The photodetector shows high detectivity and stability in the UV and NIR regions.
LIGHT-SCIENCE & APPLICATIONS
(2022)
Article
Optics
Ruijuan Tian et al.
Summary: Two-dimensional materials are attractive for constructing high-performance photonic chip-integrated photodetectors. The van der Waals PN heterojunction photodetector reported in this study can significantly suppress dark current and improve responsivity. It also exhibits tunability and uniform photodetection over a wide spectral range.
LIGHT-SCIENCE & APPLICATIONS
(2022)
Article
Optics
Jincong Pang et al.
Summary: This study reports the design of vertical matrix perovskite X-ray detectors for multi-energy detection. The detectors can accurately reconstruct incident X-ray spectra and produce a set of images with density-graded information under single exposure. It can also locate the position of substances with different densities.
LIGHT-SCIENCE & APPLICATIONS
(2022)
Article
Optics
Shilin Jin et al.
Summary: Impurity doping has been used effectively to enhance the optoelectronic performance of lead-free double perovskite semiconductors, with multidoping of lanthanide ions leading to broadening of the emission spectrum and improved photoluminescence quantum yield. The use of a heterogeneous structure helped avoid adverse energy interactions and achieve high luminescence efficiency and long-term stability, making it promising for nondestructive spectroscopic analyses and multifunctional lighting applications.
LIGHT-SCIENCE & APPLICATIONS
(2022)
Article
Materials Science, Multidisciplinary
Peng Zhang et al.
Summary: This research successfully fabricated moisture-stable and efficient perovskite solar cells by incorporating a thiamine additive. The strategy optimized crystal growth and trap states, resulting in improved power conversion efficiency.
SCIENCE CHINA-MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Yuwei Guan et al.
Summary: Single-crystalline perovskite p-n junction nanowire arrays are demonstrated as ultra-sensitive photodetectors, which possess high crystallinity for efficient carrier transport and form built-in electric fields facilitating effective carrier separation. These results provide new insights into the design and construction of high-performance photodetectors for practical optoelectronic applications.
ADVANCED MATERIALS
(2022)
Article
Materials Science, Multidisciplinary
Xiang He et al.
Summary: In this study, a two-dimensional/three-dimensional heterojunction was formed by applying dodecylammonium bromide to the grain boundary of metal halide perovskite, improving the performance and stability of perovskite solar cells. The heterojunction increased the intensity of the built-in electric field, enhancing carrier separation and extraction, and the amino group passivated defects, contributing to the improvement of power conversion efficiency. Additionally, the long alkyl chain endowed the two-dimensional perovskite with good hydrophobic properties, improving the humidity and thermal stability of the device.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2022)
Article
Optics
He Wang et al.
Summary: In this paper, a generic strategy based on dynamic chiral meta-atom is proposed for achieving strong circular dichroism and applicable electromagnetic functionality. Feasibility is demonstrated through numerical simulation and experimental verification. The proposed strategy is expected to broaden the horizon for dynamic chiral meta-devices and find applications in information encryption, anti-counterfeiting, and other dynamic systems.
Article
Optics
Huanyu Sun et al.
Summary: This paper proposes a method for detecting defects in optics using multisensor image fusion. Different types of surface defects and subsurface defects can be accurately distinguished through scattering and fluorescence images, using modified algorithms for image registration and feature-level fusion.
Article
Chemistry, Multidisciplinary
Shuchen Zhang et al.
Summary: This study quantitatively investigates in-plane thermally driven anionic inter-diffusion in a series of novel 2D and quasi-2D halide perovskites lateral heterostructures, revealing that bulky pi-conjugated organic cations inhibit Br-I inter-diffusion and halide diffusion is faster in quasi-2D structures compared to 2D structures. Molecular dynamics simulations provide insights into mechanisms for suppressing diffusion.
ADVANCED MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Fengren Cao et al.
Summary: Lead halide perovskite has been extensively researched in the photovoltaic field, but practical application is hindered by lead toxicity and inherent instability. Recent breakthroughs using lead-free metal halide perovskite offer promising prospects for high-performance LFMHP photodetectors in various practical applications.
ADVANCED FUNCTIONAL MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Yong Zhang et al.
Summary: The research team successfully prepared two-dimensional perovskite Ca2Nb3O10 ultraviolet photodetectors with high performance and stability, demonstrating excellent photoelectric properties and applicability, providing valuable reference for the research of next-generation high-performance UV PDs.
Article
Optics
Zhiwei Ren et al.
Summary: Introduction of novel tin oxide quantum dots as electron transporting layers in planar perovskite solar cells has led to improved interface control and prolonged charge carrier lifetime, resulting in significantly enhanced power conversion efficiency.
LIGHT-SCIENCE & APPLICATIONS
(2021)
Article
Multidisciplinary Sciences
Xinyuan Zhang et al.
Summary: This study demonstrates a high-performance polarization-sensitive photodetector using single-crystalline 2D/3D perovskite heterostructure, achieving ultrahigh polarization sensitivity by spatially separating photogenerated carriers and reducing their recombination rate. This work provides new insights into designing novel optoelectronic devices with high polarization selectivity.
NATIONAL SCIENCE REVIEW
(2021)
Article
Chemistry, Multidisciplinary
Liangliang Min et al.
Summary: This research successfully controlled the phase distribution of 2D perovskites using a solvent additive method and hot-casting process, which improved photoresponse of devices. The optimized device showed high performance, stability, and fast response speed in optical-electronic conversion.
ADVANCED MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Weidong Song et al.
Summary: A self-powered, high-performance Ti3C2Tx MXene/GaN van der Waals heterojunction-based ultraviolet photodiode with outstanding quantum efficiency and rapid response speed is reported, showing remarkable photovoltaic behavior and power conversion efficiency.
ADVANCED MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Ziqing Li et al.
Summary: The monolithical integration of lead-free halide perovskite single-crystalline thin film (SCTF) with silicon wafer demonstrated enhanced device performance, significantly increased photoelectric sensitivity, high switching ratio, and fast response time compared to most reported lead-free halide perovskite photodetectors. This work not only provides insights into perovskite precursor solution chemistry, but also showcases the potential of integrating lead-free halide perovskite SCTF with silicon for high-performance photodetectors.
ADVANCED MATERIALS
(2021)
Article
Chemistry, Physical
Qian Song et al.
Summary: Perovskite photodetectors with a stacked dual shallow grating structure exhibit superior light-harvesting abilities, sensitive digital polarization imaging, and excellent device performance. The incorporation of nanograting array introduces good polarization sensitivity to the moire PVK PD achieving a peak-to-valley ratio of 1.58, with remarkable responsivity and detectivity.
ADVANCED ENERGY MATERIALS
(2021)
Article
Chemistry, Physical
Chan Wook Jang et al.
Summary: Dimensionally-engineered perovskite heterostructures enhance the stability and efficiency of perovskite solar cells, showing piezoelectric and phototronic effects under various pressures. The 2D|3D heterostructure exhibits strong performance and endurance properties, suggesting a promising way to improve perovskite-based electronic and optoelectronic devices.
Article
Optics
Yao Fan et al.
Summary: Computational microscopy, a subfield of computational imaging, combines optical manipulation and image algorithmic reconstruction to recover multi-dimensional microscopic images or information of micro-objects. Recent advancements in LED technology, low-cost consumer image sensors, digital computers, and smartphones have enabled the rapid development of computational microscopy, offering high-resolution imaging capabilities for various applications in biomedicine and industry.
Review
Materials Science, Multidisciplinary
Avi Mathur et al.
Summary: This review summarizes recent developments in self-powered applications based on organolead halide perovskites and discusses in detail the underlying mechanism driving self-powered operation in electronic devices. The challenges and prospects of these perovskite-based optoelectronic applications are highlighted.
MATERIALS ADVANCES
(2021)
Review
Chemistry, Multidisciplinary
Ying Li et al.
Summary: Metal-halide perovskites have shown promise for photodetector applications due to their superior optoelectronic properties, but the environmental instability and lead toxicity of lead-based perovskites have hindered their further development. Therefore, the search for environmentally stable and lead-free halide perovskites is important. This review provides an overview of LFHPs, their classification, and applications in environment-friendly photodetectors.
MATERIALS HORIZONS
(2021)
Article
Chemistry, Multidisciplinary
Jiaxin Chen et al.
ADVANCED FUNCTIONAL MATERIALS
(2020)
Article
Chemistry, Multidisciplinary
Meng Wang et al.
ADVANCED FUNCTIONAL MATERIALS
(2020)
Article
Chemistry, Multidisciplinary
Kai Shen et al.
ADVANCED MATERIALS
(2020)
Article
Multidisciplinary Sciences
Enzheng Shi et al.
Article
Chemistry, Multidisciplinary
Shun-Xin Li et al.
ADVANCED MATERIALS
(2020)
Article
Materials Science, Multidisciplinary
Sri Venkata Narayana Pammi et al.
ADVANCED OPTICAL MATERIALS
(2020)
Article
Chemistry, Physical
S. V. N. Pammi et al.
Review
Optics
Lemin Jia et al.
Article
Chemistry, Multidisciplinary
Jun Wang et al.
Article
Chemistry, Multidisciplinary
Fengren Cao et al.
ADVANCED MATERIALS
(2019)
Article
Chemistry, Multidisciplinary
Geoffrey Ryan Adams et al.
ADVANCED MATERIALS INTERFACES
(2018)
Article
Chemistry, Physical
Seongdong Lim et al.
Article
Nanoscience & Nanotechnology
Nathan T. Shewmon et al.
ACS APPLIED MATERIALS & INTERFACES
(2016)
Article
Chemistry, Physical
Zhen-Yu Zhang et al.
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
(2015)
Article
Multidisciplinary Sciences
Makhsud I. Saidaminov et al.
NATURE COMMUNICATIONS
(2015)
Article
Chemistry, Multidisciplinary
Yongcai Qiu et al.
Article
Engineering, Electrical & Electronic
AA Darhuber et al.
JOURNAL OF MICROELECTROMECHANICAL SYSTEMS
(2003)
